elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

Structural modelling for helicopter simulation - or: making small problems even smaller

Röhrig-Zöllner, Melven and Kontak, Max (2019) Structural modelling for helicopter simulation - or: making small problems even smaller. Workshop on Efficiency in Computational Science, 25. Sep. 2019, Köln. (Unpublished)

[img] PDF
1MB

Abstract

We present algorithmic and implementation aspects of our work on a software for helicopter simulation from a joint project with the DLR Institute for Flight Systems. In this talk we focus on the structural dynamics of (rigid) multibody systems and flexible beams. Both already represent small problems compared to, e.g., large scale CFD simulations (we have usually less than 100-1000 DOFs). However, several cases of application of the software require us to make these problems even smaller (we'll give a motivation for that in the talk!). We exploit C++ template-programming to obtain a modular software design and to still be able to obtain reasonable performance with small data: examples include effcient automatic differentiation as well as a fast 1D discontinuous Galerkin method. We discuss the underlying software design ideas and show results for the performance and accuracy of our approach.

Item URL in elib:https://elib.dlr.de/132072/
Document Type:Conference or Workshop Item (Speech)
Title:Structural modelling for helicopter simulation - or: making small problems even smaller
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Röhrig-Zöllner, MelvenMelven.Roehrig-Zoellner (at) dlr.dehttps://orcid.org/0000-0001-9851-5886
Kontak, MaxMax.Kontak (at) DLR.dehttps://orcid.org/0000-0003-3738-7483
Date:25 September 2019
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:Coupled Simulation; Multibody Dynamics; Helicopter Simulation
Event Title:Workshop on Efficiency in Computational Science
Event Location:Köln
Event Type:Workshop
Event Dates:25. Sep. 2019
Organizer:Dr. Michael Schlottke-Lakemper
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben SISTEC, L - VicToria
Location: Köln-Porz
Institutes and Institutions:Institut of Simulation and Software Technology > High Performance Computing
Institut of Simulation and Software Technology
Deposited By: Röhrig-Zöllner, Melven
Deposited On:10 Dec 2019 09:14
Last Modified:10 Dec 2019 09:14

Repository Staff Only: item control page

Browse
Search
Help & Contact
Information
electronic library is running on EPrints 3.3.12
Copyright © 2008-2017 German Aerospace Center (DLR). All rights reserved.